CN103465719B - The manufacture method of many scenes raster 3-D picture - Google Patents
The manufacture method of many scenes raster 3-D picture Download PDFInfo
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- CN103465719B CN103465719B CN201310440596.2A CN201310440596A CN103465719B CN 103465719 B CN103465719 B CN 103465719B CN 201310440596 A CN201310440596 A CN 201310440596A CN 103465719 B CN103465719 B CN 103465719B
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Abstract
A kind of manufacture method of many scenes raster 3-D picture, comprise the steps: that (1) makes column mirror grating mould roller successively, the annular groove inwall on the outer circumference surface of column mirror grating mould roller and the intersection between the plane of column mirror grating mould roll axis place are made up of the arc section of N section different radii; (2) grating sheet manufacturing equipment is used to make grating sheet, the arc section composition of the outer cause N section different radii of xsect of the lens pillar on the grating sheet of formation; (3) make many scenes raster image, according to the data of above-mentioned each arc section, the scene of correspondence is taken in the mode of circular arc the image that M opens different angles, form N group image, then be reassembled as scene raster image more than after being split by this N group image; (4) many scenes raster image is formed on the back side of grating sheet.Many scenes raster 3-D picture that the present invention obtains has the stereo-picture of multiple scene, when angle is viewed and admired in change, can see the stereoscopic picture plane of different scene.
Description
Technical field
The present invention relates to raster 3-D picture, be specifically related to a kind of manufacture method of many scenes raster 3-D picture.
Background technology
Grating is a kind of by conjunction with Digital Coding Drawing and conventional printing techniques, makes human eye when not needing by any instrument, is placed directly at the moment, can experiences to clear and definite the special film of three-dimensional stereo effect by the picture of two dimension originally.This is the mankind continue black and white picture again to after colour picture, really to the another much progress that three-dimensional world steps.
Traditional grating main flow is column mirror grating, main point sheet material and the large class of sheet material two, its image-forming principle is all lens curve refraction catoptric imaging principle, that is, by the image of multiple angles of single scene, after splitting, be reassembled as the grating pattern of corresponding grating post mirror, grating pattern is split by grating lens and reflects and enter human eye, human brain is experienced picture that one has three-dimensional depth.But traditional grating stereo is depicted as single game scape picture, more single, and lack change, appreciation effect is not ideal enough.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of manufacture method of many scenes raster 3-D picture, many scenes raster 3-D picture can be produced, this many scenes raster 3-D picture has the stereo-picture of multiple scene, when angle is viewed and admired in change, can see the stereoscopic picture plane of different scene.The technical scheme adopted is as follows:
A manufacture method for many scenes raster 3-D picture, is characterized in that comprising the steps: successively
(1) column mirror grating mould roller is made
The outer circumference surface of the column mirror grating mould roller made have the multiple annular grooves along column mirror grating mould roller axial array, intersection between annular groove inwall and column mirror grating mould roll axis place plane is made up of the arc section of N section different radii, wherein N be more than or equal to 2 integer;
(2) grating sheet manufacturing equipment is used to make grating sheet
Grating sheet manufacturing equipment used comprises extruder and compression molding device, and compression molding device comprises the obtained column mirror grating mould roller of felt wrapped roll and step (1), and calender roll surface is smooth, and is provided with cooling device in felt wrapped roll;
The method for making of grating sheet comprises the steps: that plastic grain is sent in the machine barrel of extruder by (2-1), plastifies, mixing in the machine barrel of extruder to plastic grain, forms plastic melt; Plastic melt is extruded from the die head of extruder; (2-2) plastic melt extruded from the die head of extruder enters the gap between column mirror grating mould roller and felt wrapped roll, plastic melt is through column mirror grating mould roller and felt wrapped roll extruding also cooling and shaping, form the grating sheet that front has lens pillar, the back side smooth, and the arc section composition of the outer cause N section different radii of the xsect of described lens pillar; (2-3) grating sheet obtained for step (2-2) is cut into the grating sheet of required size;
(3) many scenes raster image is made
Selected N number of scene, this N number of scene and the N section arc section one_to_one corresponding forming lens pillar xsect outer rim;
According to the data of above-mentioned each arc section, the scene of correspondence is taken the image of M width different angles in the mode of circular arc, is formed should one group of image of scene, wherein M be more than or equal to 2 integer; After completing the shooting of each scene, formed and selected N number of scene N group image one to one; After the data of corresponding for this N group image each arc section being split again, be reassembled as scene raster image more than;
(4) many scenes raster image is formed on the back side of grating sheet, obtains many scenes raster 3-D picture.
In above-mentioned steps (1), the picture focal position of the scene of radius corresponding to it of each section of arc section determines to have unicity.
Grating sheet manufacturing equipment used in above-mentioned steps (2) also comprises crystallization treatment system and removal moisture drying system; Before in machine barrel plastic grain being sent into extruder, use crystallization treatment system to carry out crystallization treatment to plastic grain, then use removal moisture drying system to carry out removal moisture drying process to plastic grain.Crystallization treatment is at a certain temperature, makes rambling plastic molecules originally re-start ordered arrangement, forms stable structure; Plastic grain consolidation after crystallization treatment is stablized, and does not lump, can ensure evenly extruding of the plastic melt formed in extruder.Preferably carry out at the temperature of 120 ~ 220 DEG C the crystallization treatment of plastic grain, the crystallization treatment time is 2 ~ 4 hours.Crystallization treatment system adopts double-tower molecular sieve interchangeable structure.Preferred removal moisture drying system comprises dehumidifier, and the circulating air utilizing dehumidifier to provide carries out removal moisture drying process to plastic grain at the temperature of 150 ~ 170 DEG C, and the removal moisture drying processing time is 100 ~ 200 minutes.Preferably after removal moisture drying process, the dew point of plastic grain reaches less than-45 DEG C.
In the grating sheet manufacturing equipment that above-mentioned steps (2) is used, extruder has net-changing device and melt metering pump (as melt gear wheel metering pump) usually, and melt metering pump is located at die head front, and net-changing device is located at melt metering pump front.In the machine barrel of extruder, plastic grain is plastified, the mixing and plastic melt that formed, by the impurity in net-changing device filtering plastic melt, make plastic melt cleaner, guarantee the transparency that grating sheet is higher; Quantitatively plastic melt is delivered to the die head of extruder again by melt metering pump, by melt metering pump, can guarantees that plastic melt squeezes to die head evenly, quantitatively, realize steady extruding, improve the dimensional accuracy of goods, rate of reducing the number of rejects and seconds.
Shaping in order to ensure stablizing of lens pillar on grating sheet, the discharging opening of extruder die head should be made to press close to compression molding device to greatest extent, after plastic melt is extruded from the die head of extruder, the gap entered immediately between column mirror grating mould roller and felt wrapped roll extrudes.On preferred die head, immediately the position of discharging opening is sharp mouth shape, and the distance between its upper surface and lower surface reduces gradually along machine barrel to the direction of discharging opening.
Above-mentioned steps (2) compression molding device used also comprises chill roll (the compression molding device be made up of column mirror grating mould roller, felt wrapped roll and chill roll is three-roll press-polishing device) usually; cooling device is provided with in chill roll; extruded by column mirror grating mould roller and felt wrapped roll and cooling and shaping and the grating sheet infantees that formed on chill roll surface, by chill roll, cooling is further done to grating sheet.The temperature control of the three-roller structure that preferred column mirror grating mould roller, felt wrapped roll and chill roll are formed adopts decreasing fashion step by step, successively decrease 20 ~ 30 DEG C step by step, that is, the roll surface temperature of felt wrapped roll is lower than the roll surface temperature of column mirror grating mould roller 20 ~ 30 DEG C, the roll surface temperature of chill roll is lower than the roll surface temperature of felt wrapped roll 20 ~ 30 DEG C, accurately to control the shrinkage factor of lens pillar on grating sheet, lens pillar is shaped and shrinks evenly.
Grating sheet manufacturing equipment used in above-mentioned steps (2) also can comprise traction engine, and compression molding device rear is located at by traction engine, contributes to the smooth delivery of power of grating sheet.
Usually, the grating sheet that above-mentioned steps (2-2) obtains, after trimming (cutting in the direction of the width more if desired), fixed length section, obtains the grating sheet of required size.Grating sheet manufacturing equipment used in above-mentioned steps (2) also can comprise computer fixed-length microtome, utilizes computer fixed-length microtome to carry out fixed length section.
Usually, image (carries out image layered to needing picture to be processed through stereo-picture layering, namely being in the separation of images of different levels out), stereo-picture complement is (after image layered, because change viewing angle can see the background after scenery, therefore need to carry out complement to blank layer below), three-dimensional process (process through three-dimensional displacement method makes whole image have stereoscopic sensation), after the flow processs such as three-dimensional synthesis (being generally arranged in order the vertical striped of unit of every piece image in image sequence under the pitch of each column mirror grating), form raster image.
In above-mentioned steps (3), following manner is adopted to be carried out splitting by described N group image and be reassembled as scene raster image more than: under the pitch of each column mirror grating, be arranged in order the vertical striped of unit of every piece image, it puts in order as the vertical striped of unit of the 1st width image in the 1st group of image, the vertical striped of unit of the 2nd width image in 1st group of image ... until the vertical striped of unit of M width image in the 1st group of image, in the 1st group of image M width image the vertical striped of unit after be followed successively by the vertical striped of unit of the 1st width image in the 2nd group of image, the vertical striped of unit of the 2nd width image in 2nd group of image ... until the vertical striped of unit of M width image in the 2nd group of image, by that analogy, until the vertical striped of unit of M width image in N group image.
In above-mentioned steps (4), one of following method can be adopted to be formed on the back side of grating sheet by many scenes raster image: (1) by many scenes grating image printing (mode by the printing of Ke's UV formula is printed) on the back side of grating sheet, the back side of grating sheet forms printing pattern layer, printing pattern layer and grating sheet data alignment; Or (2) by many scenes grating image printing (mode by the printing of Ke's UV formula is printed) on the front of paper, the front of paper forms printing pattern layer, then adopt gluing machine on the back side of grating sheet, be coated with the uniform transparent adhesive tape water layer of thickness, again grating sheet is placed in above paper and carries out fit (printing pattern layer on paper is towards transparent adhesive tape water layer), make printing pattern layer and grating sheet data alignment, then dry.
Above-mentioned steps (2) plastic grain used can be PET(polyethylene terephthalate) particle, PP(polypropylene) particle, PVC(Polyvinylchloride) particle or PMMA(polymethacrylate) particle, the grating sheet made is respectively PET(polyethylene terephthalate) grating sheet, PP(polypropylene) grating sheet, PVC(Polyvinylchloride) grating sheet, PMMA(polymethacrylate) grating sheet.
The present invention can produce many scenes raster 3-D picture, and this many scenes raster 3-D picture has the stereo-picture of multiple scene, when angle is viewed and admired in change, can see the stereoscopic picture plane of different scene, show lifelike changeable stereoeffect in the plane; The image volume of this many scenes raster 3-D picture is large, and precision is high.
Many scenes raster 3-D picture that the present invention makes can be widely used in all trades and professions, such as: (1) advertising sector, comprises stereo-advertisement lamp box, indoor outer advertisement, three-dimensional poster picture, panel, exhibition booth, Sign Board etc.; (2) building decoration, design industry, comprises the 3 D stereo picture of all kinds of building decoration, the 3 D stereo picture etc. of architectural design; (3) tourism industry, comprises tourist souvenir picture, handicraft, admission ticket etc.; (4) printing industry, comprises Three-dimensional greeting card, postcard, Christmas card etc.; (5) packing of product, comprises the packaging of cigarette, wine, cosmetics etc., anti-counterfeiting mark etc.; (6) Publishing Industry, comprises magazine, the front cover of books and periodicals and interior page, CD/DVD front cover, notebook cover etc.; (7) manufacturing, comprises the supporting picture of toy, stationery, gift, electrical equipment, furniture, commodity, clothes etc.; (8) photography industry, comprises three-dimensional wedding gauze kerchief, art shines.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section (this cross section is column mirror grating mould roll axis place plane) of annular groove on preferred embodiment of the present invention center pillar mirror grating mold roller;
Fig. 2 is the schematic diagram of the many scenes raster image after the first scene in the preferred embodiment of the present invention, the second scene and restructuring;
Fig. 3 is that in the preferred embodiment of the present invention, in many scenes raster 3-D picture, a lens pillar and corresponding image thereof split the schematic diagram of data.
Embodiment
The manufacture method of this many scenes raster 3-D picture comprises the steps: successively
(1) column mirror grating mould roller is made
With reference to figure 1, the outer circumference surface of the column mirror grating mould roller 1 made have the multiple annular grooves 2 along column mirror grating mould roller 1 axial array; Intersection 3 between annular groove 2 inwall and column mirror grating mould roller 1 axis place plane is made up of the arc section of N section (in the present embodiment, N equals 2) different radii, and wherein the radius of an arc section 31 is R1, and the radius of another arc section 32 is R2;
(2) grating sheet manufacturing equipment is used to make grating sheet
Grating sheet manufacturing equipment used comprises extruder and compression molding device, and compression molding device comprises the obtained column mirror grating mould roller 1 of felt wrapped roll and step (1), and calender roll surface is smooth, and is provided with cooling device in felt wrapped roll.The method for making of grating sheet comprises the steps: that plastic grain is sent in the machine barrel of extruder by (2-1), plastifies, mixing in the machine barrel of extruder to plastic grain, forms plastic melt; Plastic melt is extruded from the die head of extruder; (2-2) plastic melt extruded from the die head of extruder enters the gap between column mirror grating mould roller 1 and felt wrapped roll, plastic melt is through column mirror grating mould roller 1 and felt wrapped roll extruding also cooling and shaping, form the grating sheet that front has lens pillar, the back side smooth, with reference to figure 3, grating sheet 4 front has lens pillar 5, the back side smooth, and the xsect outer rim 51 of described lens pillar 5 is made up of the arc section of N section different radii, wherein the radius of an arc section 511 is R1, and the radius of another arc section 512 is R2; (2-3) grating sheet 4 obtained for step (2-2) is cut into the grating sheet of required size.
In the grating sheet manufacturing equipment that this step (2) is used, extruder has net-changing device and melt metering pump (as melt gear wheel metering pump), and melt metering pump is located at die head front, and net-changing device is located at melt metering pump front.In the machine barrel of extruder, plastic grain is plastified, mixing and formed plastic melt, by the impurity in net-changing device filtering plastic melt, more quantitatively plastic melt is delivered to the die head of extruder by melt metering pump.
This step (2) compression molding device used also comprises chill roll (the compression molding device be made up of column mirror grating mould roller 1, felt wrapped roll and chill roll is three-roll press-polishing device), cooling device is provided with in chill roll, extruded by column mirror grating mould roller 1 and felt wrapped roll and cooling and shaping and the grating sheet infantees that formed on chill roll surface, by chill roll, cooling is further done to grating sheet.The temperature control of the three roller three-roller structures that column mirror grating mould roller 1, felt wrapped roll and chill roll are formed adopts decreasing fashion step by step, successively decrease 20 ~ 30 DEG C step by step, that is, the roll surface temperature of felt wrapped roll is lower than the roll surface temperature of column mirror grating mould roller 1 20 ~ 30 DEG C, and the roll surface temperature of chill roll is lower than the roll surface temperature of felt wrapped roll 20 ~ 30 DEG C.
Grating sheet manufacturing equipment used in this step (2) also comprises traction engine, and compression molding device rear is located at by traction engine, contributes to the smooth delivery of power of grating sheet.
The grating sheet 4 that step (2-2) obtains, after trimming (cutting in the direction of the width more if desired), fixed length section, obtains the grating sheet of required size.
(3) many scenes raster image is made
With reference to figure 2, selected N number of scene, this N number of scene and the N section arc section one_to_one corresponding forming lens pillar xsect outer rim 51; Wherein, the first scenario A and radius in lens pillar xsect outer rim 51 are that the arc section 511 of R1 is corresponding, and the second scenario B and radius in lens pillar xsect outer rim 51 are that the arc section 512 of R2 is corresponding.
According to the data of above-mentioned each arc section, the scene of correspondence is taken the image of M width (in the present embodiment, M equals 15) different angles in the mode of circular arc, formed should one group of image of scene; After completing the shooting of each scene, formation and selected N number of scene one to one N group image (form the 1st group of image and the 2nd group of image in the present embodiment, wherein the 1st group of image comprises A1-A15 totally 15 width images, 2nd group of image comprises B1-B15 totally 15 width images, 1st group of corresponding first scenario A of image, the 2nd group of corresponding second scenario B of image); With reference to figure 2, after the data of corresponding for this N group image each arc section being split, be reassembled as the C of scene raster image more than.
With reference to figure 3, in this step (3), following manner is adopted to be carried out splitting by described N group image and be reassembled as scene raster image more than: under the pitch of each column mirror grating, be arranged in order the vertical striped of unit of every piece image, it puts in order as the vertical striped a1 of unit of the 1st width image in the 1st group of image, the vertical striped a2 of unit of the 2nd width image in 1st group of image ... until the vertical striped a15 of unit of the 15th width image in the 1st group of image, in the 1st group of image the 15th width image unit vertical striped a15 after be followed successively by the vertical striped b1 of unit of the 1st width image in the 2nd group of image, the vertical striped b2 of unit of the 2nd width image in 2nd group of image ... until the vertical striped b15 of unit of the 15th width image in the 2nd group of image, that is, the vertical striped of the unit under the pitch of each column mirror grating is followed successively by a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15.
(4) many scenes raster image C is formed on the back side of grating sheet, obtains many scenes raster 3-D picture.
In this step (4), one of following method can be adopted to be formed on the back side of grating sheet by many scenes raster image C: (1) by many scenes grating image printing (mode by the printing of Ke's UV formula is printed) on the back side of grating sheet, the back side of grating sheet forms printing pattern layer, printing pattern layer and grating sheet data alignment; Or (2) by many scenes grating image printing (mode by the printing of Ke's UV formula is printed) on the front of paper, the front of paper forms printing pattern layer, then adopt gluing machine on the back side of grating sheet, be coated with the uniform transparent adhesive tape water layer of thickness, again grating sheet is placed in above paper and carries out fit (printing pattern layer on paper is towards transparent adhesive tape water layer), make printing pattern layer and grating sheet data alignment, then dry.
Above-mentioned steps (2) plastic grain used can be PET(polyethylene terephthalate) particle, PP(polypropylene) particle, PVC(Polyvinylchloride) particle or PMMA(polymethacrylate) particle, the grating sheet made is respectively PET(polyethylene terephthalate) grating sheet, PP(polypropylene) grating sheet, PVC(Polyvinylchloride) grating sheet, PMMA(polymethacrylate) grating sheet.
In addition, grating sheet manufacturing equipment used in above-mentioned steps (2) also comprises crystallization treatment system and removal moisture drying system usually; Before in machine barrel plastic grain being sent into extruder, use crystallization treatment system to carry out crystallization treatment to plastic grain, then use removal moisture drying system to carry out removal moisture drying process to plastic grain.Crystallization treatment is at a certain temperature, makes rambling plastic molecules originally re-start ordered arrangement, forms stable structure; Plastic grain consolidation after crystallization treatment is stablized, and does not lump, can ensure evenly extruding of the plastic melt formed in extruder.Preferably carry out at the temperature of 120 ~ 220 DEG C the crystallization treatment of plastic grain, the crystallization treatment time is 2 ~ 4 hours.Crystallization treatment system can adopt double-tower molecular sieve interchangeable structure.Preferred removal moisture drying system comprises dehumidifier, and the circulating air utilizing dehumidifier to provide carries out removal moisture drying process to plastic grain at the temperature of 150 ~ 170 DEG C, and the removal moisture drying processing time is 100 ~ 200 minutes.Preferably after removal moisture drying process, the dew point of plastic grain reaches less than-45 DEG C.
Claims (8)
1. a manufacture method for the raster 3-D picture of scene more than, is characterized in that comprising the steps: successively
(1) column mirror grating mould roller is made
The outer circumference surface of the column mirror grating mould roller made have the multiple annular grooves along column mirror grating mould roller axial array, intersection between annular groove inwall and column mirror grating mould roll axis place plane is made up of the arc section of N section different radii, wherein N be more than or equal to 2 integer;
(2) grating sheet manufacturing equipment is used to make grating sheet
Grating sheet manufacturing equipment used comprises extruder and compression molding device, and compression molding device comprises the obtained column mirror grating mould roller of felt wrapped roll and step (1), and calender roll surface is smooth, and is provided with cooling device in felt wrapped roll;
The method for making of grating sheet comprises the steps: that plastic grain is sent in the machine barrel of extruder by (2-1), plastifies, mixing in the machine barrel of extruder to plastic grain, forms plastic melt; Plastic melt is extruded from the die head of extruder; (2-2) plastic melt extruded from the die head of extruder enters the gap between column mirror grating mould roller and felt wrapped roll, plastic melt is through column mirror grating mould roller and felt wrapped roll extruding also cooling and shaping, form the grating sheet that front has lens pillar, the back side smooth, and the arc section composition of the outer cause N section different radii of the xsect of described lens pillar; (2-3) grating sheet obtained for step (2-2) is cut into the grating sheet of required size;
(3) many scenes raster image is made
Selected N number of scene, this N number of scene and the N section arc section one_to_one corresponding forming lens pillar xsect outer rim;
According to the data of above-mentioned each arc section, the scene of correspondence is taken the image of M width different angles in the mode of circular arc, is formed should one group of image of scene, wherein M be more than or equal to 2 integer; After completing the shooting of each scene, formed and selected N number of scene N group image one to one; After the data of corresponding for this N group image each arc section being split again, be reassembled as scene raster image more than;
(4) many scenes raster image is formed on the back side of grating sheet, obtains many scenes raster 3-D picture.
2. the manufacture method of many scenes raster 3-D picture according to claim 1, is characterized in that: in described step (2), and grating sheet manufacturing equipment used also comprises crystallization treatment system and removal moisture drying system; Before in machine barrel plastic grain being sent into extruder, use crystallization treatment system to carry out crystallization treatment to plastic grain, then use removal moisture drying system to carry out removal moisture drying process to plastic grain.
3. the manufacture method of many scenes raster 3-D picture according to claim 2, is characterized in that: carry out at the temperature of 120 ~ 220 DEG C the crystallization treatment of plastic grain, the crystallization treatment time is 2 ~ 4 hours.
4. the manufacture method of many scenes raster 3-D picture according to claim 2, it is characterized in that: described removal moisture drying system comprises dehumidifier, the circulating air utilizing dehumidifier to provide carries out removal moisture drying process to plastic grain at the temperature of 150 ~ 170 DEG C, and the removal moisture drying processing time is 100 ~ 200 minutes.
5. the manufacture method of many scenes raster 3-D picture according to claim 2, it is characterized in that: after removal moisture drying process, the dew point of plastic grain reaches less than-45 DEG C.
6. the manufacture method of many scenes raster 3-D picture according to claim 1; it is characterized in that: described step (2) compression molding device used also comprises chill roll usually; cooling device is provided with in chill roll; extruded by column mirror grating mould roller and felt wrapped roll and cooling and shaping and the grating sheet infantees that formed on chill roll surface, by chill roll, cooling is further done to grating sheet.
7. the manufacture method of many scenes raster 3-D picture according to claim 6, it is characterized in that: the roll surface temperature of described felt wrapped roll is lower than the roll surface temperature of column mirror grating mould roller 20 ~ 30 DEG C, the roll surface temperature of chill roll is lower than the roll surface temperature of felt wrapped roll 20 ~ 30 DEG C.
8. the manufacture method of many scenes raster 3-D picture according to claim 1, it is characterized in that: in described step (3), following manner is adopted to be carried out splitting by described N group image and be reassembled as scene raster image more than: under the pitch of each column mirror grating, be arranged in order the vertical striped of unit of every piece image, it puts in order as the vertical striped of unit of the 1st width image in the 1st group of image, the vertical striped of unit of the 2nd width image in 1st group of image ... until the vertical striped of unit of M width image in the 1st group of image, in the 1st group of image M width image the vertical striped of unit after be followed successively by the vertical striped of unit of the 1st width image in the 2nd group of image, the vertical striped of unit of the 2nd width image in 2nd group of image ... until the vertical striped of unit of M width image in the 2nd group of image, by that analogy, until the vertical striped of unit of M width image in N group image.
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| CN103728677B (en) * | 2013-12-26 | 2016-02-03 | 石平辉 | Plastics convex lens array film goods of biodegradable environmental protection and preparation method thereof |
| CN103921610B (en) * | 2014-04-29 | 2016-05-18 | 南京苏泉工贸有限公司 | On a kind of planar materials, form and there is processing method of embossment visible sensation effect image and products thereof |
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